Kyle has a box that contains three types of coins, quarters, dimes, and nickels. There are a total of 100 coins in the box. Without looking, Kyle picked out a coin, recorded which type it was, and then put it back in the box. His results are recorded in the table below. According to his data, about how many nickels should be in the box?

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?